形容詞 purposeful:

1. serving as or indicating the existence of a purpose or goal
2. having meaning through having an aim

1. Purposeful or industrious activity; enterprise.
   企圖，進取心有目的的、勤勉刻苦的行動; 進取心
2. They dealt with the problem in a purposeful way.
   他們處理這問題很果斷。

pur.pose.ful

adj.（形容詞）
Having a purpose; intentional:
有目的的；故意的：
例句：
a purposeful musician.
一個目標明確的音樂家

Having or manifesting purpose; determined:
具有或表明目的的；堅定的：
例句：
entered the room with a purposeful look.
帶著堅定的神色走進屋子

【引伸】
pur.posefully
adv.（副詞）
pur.posefulness
n.（名詞）